not nearly 50 books, some are mere stories, and in no particular odure:

the Voyeur Robbe Grillet
Soft Machine WS Burroughs
Heart of Darkness Conrad
Ice Shirt Wm Vollmann
Age of Iron Coetzee
Gerrminal Zola
Sanctuary Faulkner -arguably not his best, but very represetative and one of the creepiest villans in literature
Nausea JP Sartre
Our Lady of the Flowers Genet
Dream of a Ridculous Man Dostoyevski
Detour Michael Brodsky
Child Of God Cormac McCarthy